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| PartNumber | 93LC66XT/SN | 93LC68BI | 93LC68CI |
| Description | EEPROM 512x8-256x16 RP | ||
| Manufacturer | Microchip | - | - |
| Product Category | EEPROM | - | - |
| RoHS | Y | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | SOIC-8 | - | - |
| Memory Size | 4 kbit | - | - |
| Organization | 512 x 8, 256 x 16 | - | - |
| Interface Type | Serial, 3-Wire, Microwire | - | - |
| Access Time | 6 ms | - | - |
| Data Retention | 200 Year | - | - |
| Maximum Clock Frequency | 2 MHz | - | - |
| Supply Current Max | 3 mA | - | - |
| Supply Voltage Min | 2.5 V | - | - |
| Supply Voltage Max | 5.5 V | - | - |
| Minimum Operating Temperature | 0 C | - | - |
| Maximum Operating Temperature | + 70 C | - | - |
| Packaging | Reel | - | - |
| Height | 1.25 mm (Min) | - | - |
| Length | 4.9 mm | - | - |
| Width | 3.9 mm | - | - |
| Brand | Microchip Technology | - | - |
| Moisture Sensitive | Yes | - | - |
| Operating Supply Current | 3 mA | - | - |
| Operating Supply Voltage | 2.5 V to 5.5 V | - | - |
| Product Type | EEPROM | - | - |
| Programming Voltage | 2.5 V to 5.5 V | - | - |
| Factory Pack Quantity | 3300 | - | - |
| Subcategory | Memory & Data Storage | - | - |
| Unit Weight | 0.019048 oz | - | - |